<template>
    <div id="aCoursesList" class="bg-fa of">
        <!-- /课程详情 开始 -->
        <section class="container">
            <section class="path-wrap txtOf hLh30">
                <a href="#" title class="c-999 fsize14">首页</a>
                \
                <a href="#" title class="c-999 fsize14">{{courseInfo.subjectLevelOne}}</a>
                \
                <span class="c-333 fsize14">{{courseInfo.subjectLevelTwo}}</span>
            </section>
            <div>
                <article class="c-v-pic-wrap" style="height: 357px;">
                    <section class="p-h-video-box" id="videoPlay">
                        <img :src="courseInfo.cover" :alt="courseInfo.title" class="dis c-v-pic">
                    </section>
                </article>
                <aside class="c-attr-wrap">
                    <section class="ml20 mr15">
                        <h2 class="hLh30 txtOf mt15">
                            <span class="c-fff fsize24">{{courseInfo.title}}</span>
                        </h2>
                        <section class="c-attr-jg">
                            <span class="c-fff">价格：</span>
                            <b class="c-yellow" style="font-size:24px;">￥{{courseInfo.price}}</b>
                        </section>
                        <section class="c-attr-mt c-attr-undis">
                            <span class="c-fff fsize14">主讲： {{courseInfo.teacherName}}&nbsp;&nbsp;&nbsp;</span>
                        </section>
                        <section class="c-attr-mt of">
                            <span class="ml10 vam">
                                <em class="icon18 scIcon"></em>
                                <a class="c-fff vam" title="收藏" href="#">收藏</a>
                            </span>
                        </section>
                        <section v-if="isBuy || Number(courseInfo.price)===0" class="c-attr-mt">
                            <a href="#" title="立即观看" class="comm-btn c-btn-3">立即观看</a>
                        </section>
                        <section v-else class="c-attr-mt">
                            <a @click="createOrdrs()" href="#" title="立即购买" class="comm-btn c-btn-3">立即购买</a>
                        </section>
                    </section>
                </aside>
                <aside class="thr-attr-box">
                    <ol class="thr-attr-ol clearfix">
                        <li>
                            <p>&nbsp;</p>
                            <aside>
                                <span class="c-fff f-fM">购买数</span>
                                <br>
                                <h6 class="c-fff f-fM mt10">{{courseInfo.buyCount}}</h6>
                            </aside>
                        </li>
                        <li>
                            <p>&nbsp;</p>
                            <aside>
                                <span class="c-fff f-fM">课时数</span>
                                <br>
                                <h6 class="c-fff f-fM mt10">{{courseInfo.lessonNum}}</h6>
                            </aside>
                        </li>
                        <li>
                            <p>&nbsp;</p>
                            <aside>
                                <span class="c-fff f-fM">浏览数</span>
                                <br>
                                <h6 class="c-fff f-fM mt10">{{courseInfo.viewCount}}</h6>
                            </aside>
                        </li>
                    </ol>
                </aside>
                <div class="clear"></div>
            </div>
            <!-- /课程封面介绍 -->
            <div class="mt20 c-infor-box">
                <article class="fl col-7">
                    <section class="mr30">
                        <div class="i-box">
                            <div>
                                <section id="c-i-tabTitle" class="c-infor-tabTitle c-tab-title">
                                    <a name="c-i" class="current" title="课程详情">课程详情</a>
                                </section>
                            </div>
                            <article class="ml10 mr10 pt20">
                                <div>
                                    <h6 class="c-i-content c-infor-title">
                                        <span>课程介绍</span>
                                    </h6>
                                    <div class="course-txt-body-wrap">
                                        <section class="course-txt-body">
                                            <p v-html="courseInfo.description">
                                                {{courseInfo.description}}
                                            </p>
                                        </section>
                                    </div>
                                </div>
                                <!-- /课程介绍 -->
                                <div class="mt50">
                                    <h6 class="c-g-content c-infor-title">
                                        <span>课程大纲</span>
                                    </h6>
                                    <section class="mt20">
                                        <div class="lh-menu-wrap">
                                            <menu id="lh-menu" class="lh-menu mt10 mr10">
                                                <ul>
                                                    <!-- 文件目录 -->
                                                    <li class="lh-menu-stair" v-for="chapter in chapterVideoList"
                                                        :key="chapter.id">
                                                        <a href="javascript: void(0)" :title="chapter.title"
                                                            class="current-1">
                                                            <em class="lh-menu-i-1 icon18 mr10"></em>{{chapter.title}}
                                                        </a>
                                                        <ol class="lh-menu-ol" style="display: block;">
                                                            <li class="lh-menu-second ml30"
                                                                v-for="video in chapter.children" :key=video.id>
                                                                <a :href="'/player/'+video.videoSourceId"
                                                                    target="_blank">
                                                                    <span class="fr">
                                                                        <i class="free-icon vam mr10">免费试听</i>
                                                                    </span>
                                                                    <em
                                                                        class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{video.title}}
                                                                </a>
                                                            </li>
                                                        </ol>
                                                    </li>
                                                </ul>
                                            </menu>
                                        </div>
                                    </section>
                                </div>
                                <!-- /课程大纲 -->
                            </article>
                        </div>
                    </section>
                </article>
                <aside class="fl col-3">
                    <div class="i-box">
                        <div>
                            <section class="c-infor-tabTitle c-tab-title">
                                <a title href="javascript:void(0)">主讲讲师</a>
                            </section>
                            <section class="stud-act-list">
                                <ul style="height: auto;">
                                    <li>
                                        <div class="u-face">
                                            <a href="#">
                                                <img :src="courseInfo.avatar" width="50" height="50" alt>
                                            </a>
                                        </div>
                                        <section class="hLh30 txtOf">
                                            <a class="c-333 fsize16 fl" href="#">{{courseInfo.teacherName}}</a>
                                        </section>
                                        <section class="hLh20 txtOf">
                                            <span class="c-999">{{courseInfo.intro}}</span>
                                        </section>
                                    </li>
                                </ul>
                            </section>
                        </div>
                    </div>
                </aside>
                <div class="clear"></div>
            </div>
        </section>
        <!-- /课程详情 结束 -->
        <!-- /课程评论 开始 -->

        <div class="mt50 commentHtml">
            <div>
                <h6 class="c-c-content c-infor-title" id="i-art-comment">
                    <span class="commentTitle">课程评论</span>
                </h6>
                <section class="lh-bj-list pr mt20 replyhtml">
                    <ul>
                        <li class="unBr">
                            <aside class="noter-pic">
                                <img width="50" height="50" class="picImg" src="userInfo.avatar">
                            </aside>
                            <div class="of">
                                <section class="n-reply-wrap">
                                    <fieldset>
                                        <textarea name="" v-model="commentForm.content" placeholder="输入您要评论的文字"
                                            id="commentContent"></textarea>
                                    </fieldset>
                                    <p class="of mt5 tar pl10 pr10">
                                        <span class="fl "><tt class="c-red commentContentmeg"
                                                style="display: none;"></tt></span>
                                        <input type="button" @click="addComment()" value="回复" class="lh-reply-btn">
                                    </p>
                                </section>
                            </div>
                        </li>
                    </ul>
                </section>
                <section class="">
                    <section class="question-list lh-bj-list pr">
                        <ul class="pr10">
                            <li v-for="(comment,index) in data.items" v-bind:key="index">
                                <aside class="noter-pic">
                                    <img width="50" height="50" class="picImg" src="comment.avatar">
                                </aside>
                                <div class="of">
                                    <span class="fl">
                                        <font class="fsize12 c-blue">
                                            {{comment.nickname}}</font>
                                        <font class="fsize12 c-999 ml5">评论：</font>
                                    </span>
                                </div>
                                <div class="noter-txt mt5">
                                    <p>{{comment.content}}</p>
                                </div>
                                <div class="of mt5">
                                    <span class="fr">
                                        <font class="fsize12 c-999 ml5">{{comment.gmtCreate}}</font>
                                    </span>
                                </div>
                            </li>

                        </ul>
                    </section>
                </section>

                <!-- 公共分页 开始 -->
                <div class="paging">
                    <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
                    <a :class="{undisable: !data.hasPrevious}" href="#" title="首页" @click.prevent="gotoPage(1)">首</a>
                    <a :class="{undisable: !data.hasPrevious}" href="#" title="前一页"
                        @click.prevent="gotoPage(data.current-1)">&lt;</a>
                    <a v-for="page in data.pages" :key="page"
                        :class="{current: data.current == page, undisable: data.current == page}" :title="'第'+page+'页'"
                        href="#" @click.prevent="gotoPage(page)">{{ page }}</a>
                    <a :class="{undisable: !data.hasNext}" href="#" title="后一页"
                        @click.prevent="gotoPage(data.current+1)">&gt;</a>
                    <a :class="{undisable: !data.hasNext}" href="#" title="末页"
                        @click.prevent="gotoPage(data.pages)">末</a>
                    <div class="clear" />
                </div>
                <!-- 公共分页 结束 -->
            </div>
        </div>
    </div>
</template>
<script>
    import { getCourseInfoById, addComment, getPageList } from '@/api/course'
    import { createOrder } from '@/api/order'
    import cookie from 'js-cookie'
    export default {
        data() {
            return {
                data: {},
                id: '',
                courseInfo: {},
                userInfo: {},
                page: 1,
                limit: 2,
                total: 10,
                avatar:"",
                chapterVideoList: {},
                commentForm: {
                    courseId: "",
                    teacherId: "",
                    content: "",
                    memberId: ''
                },
                orderNo:"",
                isBuy:false
            }
        },
        created() {
            this.userInfo = cookie.get('edu_ucenter')
            this.id = this.$route.params.id
            this.commentForm.courseId=this.id
            this.initComment()
        },
        mounted () {
            this.getInfo()
        },
        methods: {
            getInfo() {
                getCourseInfoById(this.id).then(res => {
                    this.courseInfo = res.data.data.courseInfoFrontVo
                    this.chapterVideoList = res.data.data.chapterVideoList
                    this.isBuy = res.data.data.isBuy
                    this.commentForm.teacherId = this.courseInfo.teacherId
                })
            },
            addComment() {
                this.userInfo={}
                this.userInfo = "cookie.get('edu_ucenter')"
                this.commentForm.memberId = this.userInfo.memberId
                addComment(this.commentForm).then(res => {
                    this.$message({
                        type:'success',
                        message:'回复成功'
                    })
                    this.commentForm.content=""
                    this.initComment()
                })
            },
            initComment() {
                getPageList(this.page, this.limit, this.id).then(response => {
                    this.data = response.data.data
                })
            },
            gotoPage(page) {
                getPageList(page, this.limit, this.id).then(response => {
                    this.data = response.data.data
                })
            },
            createOrdrs(){
                createOrder(this.id).then(res=>{
                    this.orderNo = res.data.data.orderNo
                    this.$router.push({path:'/order/'+this.orderNo})
                })
            }

        }
    };
</script>